EX-23.1 5 c96993exv23w1.txt CONSENT OF OF GRANT THORNTON LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Board of Directors SigmaTron International, Inc. We have issued our report dated July 8, 2005, accompanying the consolidated balance sheet of SigmaTron International, Inc. and Subsidiaries as of April 30, 2005, and the related consolidated statements of income, stockholders' equity and cash flows for the year then ended, included in the Annual Report of SigmaTron International, Inc. and Subsidiaries on Form 10-K for the year ended April 30, 2005. We hereby consent to the incorporation by reference of said report in the Registration Statements of SigmaTron International, Inc. and Subsidiaries on Forms S-8 (File No. 33-20147 and 333-52044). /s/ Grant Thornton LLP Chicago, Illinois July 21, 2005